Critical phenomena and nonlinear dynamics in a spin ensemble strongly coupled to a cavity. I. Semiclassical approach
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2019-07-30 |
| Journal | Physical review. A/Physical review, A |
| Authors | Dmitry O. Krimer, Matthias Zens, Stefan Rotter |
| Institutions | TU Wien |
| Citations | 15 |
Abstract
Section titled āAbstractāWe present a theoretical study on the nonlinear dynamics and stationary\nstates of an inhomogeneously broadened spin ensemble coupled to a single-mode\ncavity driven by an external drive with constant amplitude. Assuming a sizeable\nnumber of constituents within the ensemble allows us to use a semiclassical\napproach and to formally reduce the theoretical description to the\nMaxwell-Bloch equations for the cavity and spin amplitudes. We explore the\ncritical slowing-down effect, quench dynamics, and asymptotic behavior of the\nsystem near a steady-state dissipative phase transition accompanied by a\nbistability effect. Some of our theoretical findings have recently been\nsuccessfully verified in a specific experimental realization based on a spin\nensemble of negatively charged nitrogen-vacancy centers in diamond strongly\ncoupled to a single-mode microwave cavity (see Science Adv. 3, e1701626\n(2017)).\n